Marcus Giamatti

October 3, 1961 (64 years old)

New Haven, Connecticut, USA

Known for Acting

Marcus Giamatti is an American actor, best known for being a regular member of the cast of the CBS drama series Judging Amy. He is the younger brother of actor Paul Giamatti.

Discover More Acting Works

Bosch: Legacy

Simon Wakefield

2022

7.9

S.W.A.T.

Professor Marc Lasky

2017

8.1

Get Shorty

Unknown Role

2017

7.1

The Curse of Downers Grove

Rich

2015

4.7

Big Time in Hollywood, Fl

Detective Jim Zdorkin

2015

7.1

CSI: Cyber

Artie Sneed

2015

6.1

Starving in Suburbia

Michael

2014

6.5

Mighty Med

Sonic Shriek

2013

7.5

Perception

Joel (Conley's Agent)

2012

7.2

Blue Lagoon: The Awakening

Principal Thomas

2012

6.5

Common Law

Unknown Role

2012

6.8

The Exes

Don

2011

6.6

Revenge

Dr. Ray Clemons

2011

7.6

Franklin & Bash

Golf Club Owner

2011

7.2

Blue Bloods

Gerry Gertz

2010

7.8

The Defenders

Lawyer

2010

7.1

The Chosen One

Freddy

2010

4.3

NCIS: Los Angeles

CIA Agent Michael Snyder

2009

7.5

The Mentalist

Gabriel Fanning

2008

8.4

Fringe

Ray Duffy

2008

8.1

On the Doll

Uncle Lou

2007

4.9

Life

Zak Sutter

2007

7.7

Criminal Minds

Dr. Barry Landman

2005

8.3

Bones

Forrest Wakefield

2005

8.2

The Closer

Glen Lynch

2005

7.9

Medium

Lance Pauling

2005

7.5

House

Jeffrey Keener

2004

8.6

Cold Case

Larry Kenick

2003

7.8

NCIS

Victor Tillman

2003

7.6

CSI: Miami

Hugh Parker

2002

7.7

Monk

John Keyes

2002

7.9

Crossing Jordan

Donald Hagen

2001

7.2

The Business of Strangers

Robert

2001

5.5

Hamlet

Guildenstern

2000

3.8

CSI: Crime Scene Investigation

Chevy Cigs

2000

7.6

Judy Berlin

Eddie Dillon

1999

5.6

Judging Amy

Peter Gray

1999

7.5

Pirates of Silicon Valley

Dan Kottke

1999

7.0

Jimmy Hollywood

BMW Preppie

1994

5.1

3 Ninjas Kick Back

Announcer

1994

5.6

Monty

Unknown Role

1994

The X-Files

John Gillnitz

1993

8.4

Living Single

Jack Peabody

1993

8.3

Homicide: Life on the Street

Bernard Abrams

1993

8.1

Flying Blind

Ted Sharperson

1992

4.7

Necessary Roughness

Sargie 'Fumblina' Wilkinson

1991

5.5

Aftermath: A Test of Love

Luke

1991

5.5

Mr. & Mrs. Bridge

Gil Davis

1990

6.0

Dream On

Salesman

1990

6.9

Quantum Leap

Rick Upfield

1989

8.0